The Man Who Knew Too Much

An American doctor and his wife, a former singing star, witness a murder while vacationing in Morocco, and are drawn into a twisting plot of international intrigue when their young son is kidnapped.

• 
  Alfred Hitchcock
• 
  Howard Joslin
• 
  Basil Keys
• 
  Ralph Axness
• 
  Ned Dobson
• 
  Herbert Coleman

• 
  James Stewart
  Dr. Ben McKenna
• 
  Doris Day
  Jo McKenna
• 
  Brenda De Banzie
  Lucy Drayton
• 
  Bernard Miles
  Edward Drayton
• 
  Ralph Truman
  Buchanan
• 
  Daniel Gélin
  Louis Bernard
• 
  Mogens Wieth
  Ambassador
• 
  Alan Mowbray
  Val Parnell
• 
  Hillary Brooke
  Jan Peterson
• 
  Christopher Olsen
  Hank McKenna
• 
  Reggie Nalder
  Rien
• 
  Richard Wattis
  Assistant Manager
• 
  Noel Willman
  Woburn
• 
  Alix Talton
  Helen Parnell
• 
  Yves Brainville
  Police Inspector
• 
  Carolyn Jones
  Cindy Fontaine
• 
  Bernard Herrmann
  Conductor at Albert Hall (uncredited)
• 
  Patrick Aherne
  Handyman (uncredited)
• 
  Frank Albertson
  Taxidermist (uncredited)
• 
  Frank Atkinson
  Edgar (uncredited)